K-tuned offers this silicone coolant recirculation hose to replace the factory K-series rubber recirculation hose located on the front-side of the engine below the intake manifold.

Engine applications: K20A/A2/A3/Z1, K20/24 using "PRB" style head.

Not compatible with 06-11 Civic Si K20Z3 "RBC" head or 04-08 TSX K24A2 "RBB" head.